[multiple changes]

2015-11-18  Arnaud Charlet  <charlet@adacore.com>

* interfac.ads (Unsigned_24): New type.
* sem_ch13.adb (Validate_Unchecked_Conversion): Disable error on
unconstrained arrays in Relaxed_RM_Semantics mode.

2015-11-18  Vincent Celier  <celier@adacore.com>

* bcheck.adb (Check_Consistent_Dynamic_Elaboration_Checking): No
warning is withed unit is the interface of a Stand-Alone Library.

From-SVN: r230527

[multiple changes]

2015-11-18  Thomas Quinot  <quinot@adacore.com>

* s-os_lib.ads, s-os_lib.adb(Normalize_Pathname): Support the case of
an unresolved Directory argument, by recursively resolving it
against the current dir.

2015-11-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Process_Formals): A function declaration that
returns a class-wide type must have freeing deferred, so that it
is not frozen before the class-wide type and its root type are
frozen. This is significant when there may be a limited view of
the class_wide type in another package.

From-SVN: r230526

[multiple changes]

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* einfo.adb (Has_Non_Null_Refinement): Rename to
Has_Non_Null_Visible_Refinement.
(Has_Null_Refinement): Rename to Has_Null_Visible_Refinement.
* einfo.ads Update the documentation of
attribute Has_Non_Null_Refinement and attribute Has_Null_Refinement.
(Has_Non_Null_Refinement): Rename to Has_Non_Null_Visible_Refinement
and update occurrences in entities.
(Has_Null_Refinement): Rename to Has_Null_Visible_Refinement and update
occurrences in entities.
* sem_prag.adb (Check_In_Out_States): Update the calls to
Has_[Non_]Null_Refinement.
(Check_Input_States): Update the
calls to Has_[Non_]Null_Refinement.
(Check_Output_States): Update the calls to Has_[Non_]Null_Refinement.
(Check_Proof_In_States): Update the calls to Has_[Non_]Null_Refinement.
(Collect_Global_Item): Update the calls to Has_[Non_]Null_Refinement.
(Is_Null_Refined_State): Update the calls to Has_[Non_]Null_Refinement.
(Match_Item): Update the calls to Has_[Non_]Null_Refinement.
* sem_util.adb (Has_Non_Null_Refinement): New routine.
(Has_Null_Refinement): New routine.
* sem_util.ads (Has_Non_Null_Refinement): New routine.
(Has_Null_Refinement): New routine.

2015-11-18  Gary Dismukes  <dismukes@adacore.com>

* exp_util.adb: Minor reformatting and typo fixes.

From-SVN: r230525

sem_ch4.adb: Minor reformatting.

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_ch4.adb: Minor reformatting.

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* exp_util.adb (Expand_Subtype_From_Expr): Add new formal
parameter Related_Id and propagate it to Make_Subtype_From_Expr.
(Make_Subtype_From_Expr): Add new formal parameter
Related_Id. Create external entities when requested by the caller.
* exp_util.ads (Expand_Subtype_From_Expr): Add new formal
parameter Related_Id. Update the comment on usage.
(Make_Subtype_From_Expr): Add new formal parameter
Related_Id. Update the comment on usage.
* sem_ch3.adb (Analyze_Object_Declaration): Add local variable
Related_Id. Generate an external constrained subtype when the
object is a public symbol.

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_prag.adb (Analyze_Pragma): Update the grammars of pragmas
Abstract_State, Depends, Global, Initializes, Refined_Depends,
Refined_Global and Refined_State.

From-SVN: r230524

[multiple changes]

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_util.adb (Has_Full_Default_Initialization):
Perform the test for the presence of pragma
Default_Initial_Condition prior to the specialized type
checks. Add a missing case where the lack of a pragma argument
yields full default initialization.

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_res.adb (Resolve_Entity_Name): Do not check
for elaboration issues when a variable appears as the name of
an object renaming declaration as this constitutes an aliasing,
not a read.

2015-11-18  Ed Schonberg  <schonberg@adacore.com>

* checks.adb (Overlap_Check): An actual that is an aggregate
cannot overlap with another actual, and no check should be
generated for it.
* targparm.ads: Fix typos.

2015-11-18  Pascal Obry  <obry@adacore.com>

* adaint.c: Routine __gnat_killprocesstree only implemented on
Linux and Windows.

2015-11-18  Pascal Obry  <obry@adacore.com>

* g-ctrl_c.adb: Minor style fixes.

From-SVN: r230523

[multiple changes]

2015-11-18  Pascal Obry  <obry@adacore.com>

* adaint.c, s-os_lib.adb, s-os_lib.ads (Kill_Process_Tree): New.

2015-11-18  Hristian Kirtchev  <kirtchev@adacore.com>

* sem_util.adb (Check_Nonvolatile_Function_Profile): Place the error
message concerning the return type on the result definition.
(Is_Volatile_Function): A function with a parameter of a protected
type is a protected function if it is defined within a protected
definition.

2015-11-18  Ed Schonberg  <schonberg@adacore.com>

* sem_ch4.adb (Try_Container_Indexing): When building the
parameter list for the function call on indexing functions,
preserve overloading of the parameters, which may themselves be
generalized indexing operations.

From-SVN: r230522

Add missing test-case for PR ipa/68035

From-SVN: r230521

Release memory in haifa-sched

* haifa-sched.c (haifa_finish_h_i_d): Release reg_set_list.

From-SVN: r230520

Fix memory leaks in tree-ssa-uninit.c

* tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
Fix GNU coding style.
(find_def_preds): Use auto_vec.
(destroy_predicate_vecs): Change signature of the function.
(prune_uninit_phi_opnds_in_unrealizable_paths): Use the
new signature.
(simplify_preds_4): Use destroy_predicate_vecs instread of
just releasing preds vector.
(normalize_preds): Likewise.
(is_use_properly_guarded): Use new signature of
destroy_predicate_vecs.
(find_uninit_use): Likewise.

From-SVN: r230519

re PR middle-end/67790 (verify_ssa failed: definition in block 20 follows the use)

2015-11-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/67790
* tree-vect-loop.c (vect_is_simple_reduction_1): Remove
IL rewrite for MINUS_EXPR reductions, rename back to ...
(vect_is_simple_reduction): ... this, removing the wrapper.
(vect_force_simple_reduction): Adjust.
(vectorizable_reduction): Adjust reduc_index for MINUS_EXPR
reductions and make use if reduc_index in all places.  For
the final reduction of MINUS_EXPR use PLUS_EXPR.

* gcc.dg/vect/pr67790.c: New testcase.

From-SVN: r230518

* g++.dg/cpp1y/pr58708.C: Define wfoo based on sizeof wchar_t.

From-SVN: r230516

Daily bump.

From-SVN: r230515

A default of -z relro (as on Fedora) defeats the deliberate mis-alignment of .got in the testcase.

POWERPC64_TOC_POINTER_ALIGNMENT

A default of -z relro (as on Fedora) defeats the deliberate
mis-alignment of .got in the testcase.

* configure.ac (POWERPC64_TOC_POINTER_ALIGNMENT): Pass -z norelro
to ld.
* configure: Regenerate.

From-SVN: r230509

re PR bootstrap/68346 (Bootstrap failure on i686-linux)

PR bootstrap/68346

* typeck.c (build_static_cast_1): Force a NOP when converting to
the same type.

From-SVN: r230508

LITERAL_ZERO_P obsoleted by delayed folding.

* cp-tree.h (LITERAL_ZERO_P): Remove.
* parser.c (cp_parser_postfix_expression, literal_zeros)
(cp_parser_parenthesized_expression_list): Don't mess with it.

From-SVN: r230507

Don't fold -(constant) or -0.

* parser.c (cp_parser_unary_expression): Fold -constant here.
* typeck.c (cp_build_unary_op): Not here.

From-SVN: r230506

Improve comments in pass_tree_loop_init::execute

2015-11-17  Tom de Vries  <tom@codesourcery.com>

* tree-ssa-loop.c (pass_tree_loop_init::execute): Improve comments.

From-SVN: r230505

Make fdump-tree-sccp-details more complete

2015-11-17  Tom de Vries  <tom@codesourcery.com>

* tree-scalar-evolution.c (scev_const_prop): Dump details if replacing
uses of ssa_name with constant.

From-SVN: r230504

Clear LOOP_CLOSED_SSA after pass_ccp

2015-11-17  Tom de Vries  <tom@codesourcery.com>

* tree-ssa-ccp.c (do_ssa_ccp): Clear LOOP_CLOSED_SSA in loops state if
something changed.

From-SVN: r230503

Add in_oacc_kernels_region in struct loop

2015-11-17  Tom de Vries  <tom@codesourcery.com>

* cfgloop.h (struct loop): Add in_oacc_kernels_region field.
* omp-low.c (mark_loops_in_oacc_kernels_region): New function.
(expand_omp_target): Call mark_loops_in_oacc_kernels_region.

From-SVN: r230502

Preliminary regrename patch for i386 ROP patch

* regrename.c (regrename_find_superclass): New function, code moved
from ...
(rename_chains): ... here.  Call it.
* regrename.h (regrename_find_superclass): Declare.

From-SVN: r230501

Ensure earlyclobbered operands go through a terminate_write stage.

* regrename.c (record_out_operands): Terminate earlyclobbered
operands here.

From-SVN: r230500

re PR target/66785 (internal compiler error in record_operand_use)

PR target/66785
* regrename.c (record_operand_use): Keep track of failed operands
and stop appending if we see any.
* regrename.h (struct operand_rr_info): Add a failed field and shrink
n_chains to short.

From-SVN: r230499

re PR c/48568 (Missing documentation for __attribute__((visibility ("protected"))) on variables.)

2015-11-17  Sandra Loosemore  <sandra@codesourcery.com>

PR 48568
* doc/extend.texi (Common Function Attributes) [visibility]:
Add cross-references to matching variable and type attributes.
(Common Variable Attributes) [visibility]: Add missing entry.

From-SVN: r230498

Fix uninitialized src_range values for c_expr

gcc/c/ChangeLog:
* c-parser.c (set_c_expr_source_range): Bulletproof both
overloaded implementations against NULL expr->value.
(c_parser_braced_init): Set src_range for "ret" to a sane pair of
values.
(c_parser_unary_expression): Likewise when handling addresses of
labels.
(c_parser_postfix_expression): Likewise for statement expressions,
for __FUNCTION__, __PRETTY_FUNCTION_ and __func__ keywords, for
__builtin_va_arg, and for __builtin_offset_of.
(c_parser_postfix_expression_after_paren_type): Initialize expr's
src_range using the range of the braced initializer.
(c_parser_transaction_expression): Set src_range for "ret" to a
sane pair of values.

gcc/testsuite/ChangeLog:
* gcc.dg/plugin/diagnostic-test-expressions-1.c (vector): New
macro.
(test_braced_init): New function.
(test_statement_expression): New function.
(test_address_of_label): New function.
(test_transaction_expressions): New function.
(test_keywords): New function.
(test_builtin_va_arg): New function.
(test_builtin_offsetof): New function.
* lib/multiline.exp (_build_multiline_regex): Escape braces.

From-SVN: r230497

PR libstdc++/66059 optimise _Build_index_tuple

PR libstdc++/66059
* include/std/utility (_Build_index_tuple): Optimise.

From-SVN: r230496

primary.c (gfc_match_structure_constructor): Fix whitespace.

2015-11-17  Steven G. Kargl  <kargl@gcc.gnu.org>

* primary.c (gfc_match_structure_constructor): Fix whitespace.

From-SVN: r230495

Simplify rs6000_builtin_vectorized_function

After the previous patches it's no longer necessary for
TARGET_BUILTIN_VECTORIZED_FUNCTION to return functions that
map to the vector optab of the original operation.  We'll use
a vector form of the internal function instead.

Tested on powerpc64-linux-gnu.

gcc/
* config/rs6000/rs6000.c (rs6000_builtin_vectorized_function): Remove
entries that map directly to optabs.

From-SVN: r230494

Simplify ix86_builtin_vectorized_function

After the previous patches it's no longer necessary for
TARGET_BUILTIN_VECTORIZED_FUNCTION to return functions that
map to the vector optab of the original operation.  We'll use
a vector form of the internal function instead.

Tested on x86_64-linux-gnu.

gcc/
* config/i386/i386.c (ix86_builtin_vectorized_function): Remove
entries that map directly to optabs.

From-SVN: r230493

Vectorize internal functions

This patch tries to vectorize built-in and internal functions as
internal functions first, falling back on the current built-in
target hooks otherwise.

This means that we'll automatically pick up vector versions of optabs
without the target having to implement any special hooks.  E.g. we'll
use V4SF sqrt if the target defines a "sqrtv4sf2" optab.  As well as
being simpler, it means that the target-independent code has more
idea what the vectorized function does.

Tested on x86_64-linux-gnu, aarch64-linux-gnu, arm-linux-gnu and
powerpc64-linux-gnu.

gcc/
* internal-fn.h (direct_internal_fn_info): Add vectorizable flag.
* internal-fn.c (direct_internal_fn_array): Update accordingly.
* tree-vectorizer.h (vectorizable_function): Delete.
* tree-vect-stmts.c: Include internal-fn.h.
(vectorizable_internal_function): New function.
(vectorizable_function): Inline into...
(vectorizable_call): ...here.  Explicitly reject calls that read
from or write to memory.  Try using an internal function before
falling back on the old vectorizable_function behavior.

From-SVN: r230492

Make builtin_vectorized_function take a combined_fn

This patch replaces the fndecl argument to builtin_vectorized_function
with a combined_fn and gets the vectoriser to call it for internal
functions too.  The patch also moves vectorisation of machine-specific
built-ins to a new hook, builtin_md_vectorized_function.

Tested on x86_64-linux-gnu, aarch64-linux-gnu, arm-linux-gnu and
powerpc64-linux-gnu.

gcc/
* target.def (builtin_vectorized_function): Take a combined_fn (in
the form of an unsigned int) rather than a function decl.
(builtin_md_vectorized_function): New.
* targhooks.h (default_builtin_vectorized_function): Replace the
fndecl argument with an unsigned int.
(default_builtin_md_vectorized_function): Declare.
* targhooks.c (default_builtin_vectorized_function): Replace the
fndecl argument with an unsigned int.
(default_builtin_md_vectorized_function): New function.
* doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_MD_VECTORIZED_FUNCTION):
New hook.
* doc/tm.texi: Regenerate.
* tree-vect-stmts.c (vectorizable_function): Update call to
builtin_vectorized_function, also passing internal functions.
Call builtin_md_vectorized_function for target-specific builtins.
* config/aarch64/aarch64-protos.h
(aarch64_builtin_vectorized_function): Replace fndecl argument
with an unsigned int.
* config/aarch64/aarch64-builtins.c: Include case-cfn-macros.h.
(aarch64_builtin_vectorized_function): Update after above changes.
Use CASE_CFN_*.
* config/arm/arm-protos.h (arm_builtin_vectorized_function): Replace
fndecl argument with an unsigned int.
* config/arm/arm-builtins.c: Include case-cfn-macros.h
(arm_builtin_vectorized_function): Update after above changes.
Use CASE_CFN_*.
* config/i386/i386.c: Include case-cfn-macros.h
(ix86_veclib_handler): Take a combined_fn rather than a
built_in_function.
(ix86_veclibabi_svml, ix86_veclibabi_acml): Likewise.  Use
mathfn_built_in rather than calling builtin_decl_implicit directly.
(ix86_builtin_vectorized_function) Update after above changes.
Use CASE_CFN_*.
* config/rs6000/rs6000.c: Include case-cfn-macros.h
(rs6000_builtin_vectorized_libmass): Replace fndecl argument
with a combined_fn.  Use CASE_CFN_*.  Use mathfn_built_in rather
than calling builtin_decl_implicit directly.
(rs6000_builtin_vectorized_function): Update after above changes.
Use CASE_CFN_*.  Move BUILT_IN_MD to...
(rs6000_builtin_md_vectorized_function): ...this new function.
(TARGET_VECTORIZE_BUILTIN_MD_VECTORIZED_FUNCTION): Define.

From-SVN: r230491

Use IFN_SQRT in tree-vect-patterns.c

In practice all targets that can vectorise sqrt define the appropriate
sqrt<mode>2 optab.  The only case where this isn't immediately obvious
is the libmass support in rs6000.c, but Mike Meissner said that it shouldn't
be exercised for sqrt.

This patch therefore uses the internal function interface instead of
going via the target hook.

Tested on x86_64-linux-gnu, aarch64-linux-gnu, arm-linux-gnueabi and
powerpc64-linux-gnu.

gcc/
* tree-vect-patterns.c: Include internal-fn.h.
(vect_recog_pow_pattern): Use IFN_SQRT instead of BUILT_IN_SQRT*.

From-SVN: r230490

Remove dead macros

Nothing uses these macros and removing them makes it more likely
that future code will use CASE_CFN_* instead.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P)
(BUILTIN_CBRT_P, BUILTIN_ROOT_P): Delete.

From-SVN: r230489

Extend tree-call-cdce to calls whose result is used

For -fmath-errno, builtins.c currently expands calls to sqrt to:

        y = sqrt_optab (x);
        if (y != y)
          [ sqrt (x); or errno = EDOM; ]

The drawbacks of this are:

- the call to sqrt is protected by the result of the optab rather
      than the input.  It would be better to check __builtin_isless (x, 0),
      like tree-call-cdce.c does.

- the branch isn't exposed at the gimple level and so gets little
      high-level optimisation.

- we do this for log too, but for log a zero input produces
      -inf rather than a NaN, and sets errno to ERANGE rather than EDOM.

This patch moves the code to tree-call-cdce.c instead, with the optab
operation being represented as an internal function.  This means that
we can use the existing argument-based range checks rather than the
result-based checks and that we get more gimple optimisation of
the branch.

Previously the pass was only enabled by default at -O2 or above,
but the old builtins.c code was enabled at -O.  The patch therefore
enables the pass at -O as well.

The previous patch to cfgexpand.c handled cases where functions
don't (or are assumed not to) set errno, so this patch makes
the builtins.c code dead.

Tested on x86_64-linux-gnu, aarch64-linux-gnu, arm-linux-gnueabi
and visium-elf (for the EDOM stuff).

gcc/
* builtins.c (expand_errno_check, expand_builtin_mathfn)
(expand_builtin_mathfn_2): Delete.
(expand_builtin): Remove handling of functions with
internal function equivalents.
* internal-fn.def (SET_EDOM): New internal function.
* internal-fn.h (set_edom_supported_p): Declare.
* internal-fn.c (expand_SET_EDOM): New function.
(set_edom_supported_p): Likewise.
* tree-call-cdce.c: Include builtins.h and internal-fn.h.
Rewrite comment at head of file.
(is_call_dce_candidate): Rename to...
(can_test_argument_range): ...this.  Don't check gimple_call_lhs
or gimple_call_builtin_p here.
(edom_only_function): New function.
(shrink_wrap_one_built_in_call_with_conds): New function, split out
from...
(shrink_wrap_one_built_in_call): ...here.
(can_use_internal_fn, use_internal_fn): New functions.
(shrink_wrap_conditional_dead_built_in_calls): Call use_internal_fn
for calls that have an lhs.
(pass_call_cdce::gate): Remove optimize_function_for_speed_p check.
(pass_call_cdce::execute): Skip blocks that are optimized for size.
Check gimple_call_builtin_p here.  Use can_use_internal_fn for
calls with an lhs.
* opts.c (default_options_table): Enable -ftree-builtin-call-cdce
at -O and above.

From-SVN: r230488

Short-cut generation of simple built-in functions

This patch short-circuits the builtins.c expansion code for a particular
gimple call if:

- the function has an associated internal function
- the target implements that internal function
- the call has no side effects

This allows a later patch to remove the builtins.c code, once calls with
side effects have been handled.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* builtins.h (called_as_built_in): Declare.
* builtins.c (called_as_built_in): Make external.
* internal-fn.h (expand_internal_call): Define a variant that
specifies the internal function explicitly.
* internal-fn.c (expand_load_lanes_optab_fn)
(expand_store_lanes_optab_fn, expand_ANNOTATE, expand_GOMP_SIMD_LANE)
(expand_GOMP_SIMD_VF, expand_GOMP_SIMD_LAST_LANE)
(expand_GOMP_SIMD_ORDERED_START, expand_GOMP_SIMD_ORDERED_END)
(expand_UBSAN_NULL, expand_UBSAN_BOUNDS, expand_UBSAN_VPTR)
(expand_UBSAN_OBJECT_SIZE, expand_ASAN_CHECK, expand_TSAN_FUNC_EXIT)
(expand_UBSAN_CHECK_ADD, expand_UBSAN_CHECK_SUB)
(expand_UBSAN_CHECK_MUL, expand_ADD_OVERFLOW, expand_SUB_OVERFLOW)
(expand_MUL_OVERFLOW, expand_LOOP_VECTORIZED)
(expand_mask_load_optab_fn, expand_mask_store_optab_fn)
(expand_ABNORMAL_DISPATCHER, expand_BUILTIN_EXPECT, expand_VA_ARG)
(expand_UNIQUE, expand_GOACC_DIM_SIZE, expand_GOACC_DIM_POS)
(expand_GOACC_LOOP, expand_GOACC_REDUCTION, expand_direct_optab_fn)
(expand_unary_optab_fn, expand_binary_optab_fn): Add an internal_fn
argument.
(internal_fn_expanders): Update prototype.
(expand_internal_call): Define a variant that specifies the
internal function explicitly. Use it to implement the previous
interface.
* cfgexpand.c (expand_call_stmt): Try to expand calls to built-in
functions as calls to internal functions.

From-SVN: r230487

Replace match.pd DEFINE_MATH_FNs with auto-generated lists

This patch autogenerates the operator lists for maths functions
like SQRT, adding an additional entry for internal functions.
E.g.:

        (define_operator_list SQRT
            BUILT_IN_SQRTF
            BUILT_IN_SQRT
            BUILT_IN_SQRTL
            IFN_SQRT)

and:

        (define_operator_list CABS
            BUILT_IN_CABSF
            BUILT_IN_CABS
            BUILT_IN_CABSL
            null)

(since there's no internal function for CABS).

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* Makefile.in (MOSTLYCLEANFILES): Add cfn-operators.pd.
(generated_files): Likewise.
(s-cfn-operators, cfn-operators.pd): New rules.
(s-match): Depend on cfn-operators.pd.
* gencfn-macros.c: Expand comment to describe -o behavior.
(print_define_operator_list): New function.
(main): Accept -o.  Call print_define_operator_list.
* genmatch.c (main): Add the current directory to the include path.
* match.pd (DEFINE_MATH_FN): Delete.  Include cfn-operators.pd
instead.

From-SVN: r230486

Add null identifiers to genmatch

This patch adds a null identifier that can never match anything and
can never be generated.  It is only valid in operator lists and fors.
Later patches will add uses of it.

The idea is to allow operator lists for maths functions that have
four entries:

- float built-in
- double built-in
- long double built-in
- internal function

Not all maths functions have an associated internal function,
and for those the final operator will be "null".  Any simplification
that tries to use a null substitution will be skipped.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* doc/match-and-simplify.texi: Document the "null" identifier.
* genmatch.c (id_base::NULL_ID): New kind.
(null_id): New variable.
(get_operator): Add a parameter that says whether null identifiers
are allowed.
(contains_id): New function.
(lower_for): Skip substitutions that would have a null_id in
either the match or the result.
(parser::parse_for): Allow the null identifier to be used.
(parser::parse_operator_list): Likewise.
(main): Initialize null_id.

From-SVN: r230485

Add genmatch support for internal functions

This patch makes genmatch match calls based on combined_fn rather
than built_in_function and extends the matching to internal functions.
It also uses fold_const_call to fold the calls to a constant, rather
than going through fold_builtin_n.

In order to slightly simplify the code and remove potential
ambiguity, the patch enforces lower case for tree codes
(foo->FOO_EXPR), caps for functions (no built_in_hypot->BUILT_IN_HYPOT)
and requires an exact match for user-defined identifiers.  The first two
were already met in practice but there were a couple of cases where
operator lists were defined in one case and used in another.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* match.pd: Use HYPOT and COS rather than hypot and cos.
Use CASE_CFN_* macros.  Guard log/exp folds with
SCALAR_FLOAT_TYPE_P.
* genmatch.c (internal_fn): New enum.
(fn_id::fn): Change to an unsigned int.
(fn_id::fn_id): Accept internal_fn too.
(add_builtin): Rename to...
(add_function): ...this and turn into a template.
(get_operator): Only try one variation if the original name fails.
Only add _EXPR if the original name was all lower case.
Try converting internal and built-in function names to their
CFN equivalents.
(expr::gen_transform): Use maybe_build_call_expr_loc for generic.
(dt_simplify::gen_1): Likewise.
(dt_node::gen_kids_1): Use gimple_call_combined_fn for gimple
and get_call_combined_fn for generic.
(dt_simplify::gen): Use combined_fn as the type of fn_ids.
(decision_tree::gen): Likewise.
(main): Use lower case in the strings for {VIEW_,}CONVERT[012].
Use add_function rather than add_builtin.  Register internal
functions too.
* generic-match-head.c: Include case-cfn-macros.h.
* gimple-fold.c (replace_stmt_with_simplification): Use
gimple_call_combined_fn to test whether we can keep an
existing call.
* gimple-match.h (code_helper): Replace built_in_function
with combined_fn.
* gimple-match-head.c: Include fold-const-call.h, internal-fn.h
and case-fn-macros.h.
(gimple_resimplify1): Use fold_const_call.
(gimple_resimplify2, gimple_resimplify3): Likewise.
(build_call_internal, build_call): New functions.
(maybe_push_res_to_seq): Use them.
(gimple_simplify): Use fold_const_call.  Set *rcode to a combined_fn
rather than a built-in function.
* tree.h (build_call_expr_internal_loc): Declare.
(maybe_build_call_expr_loc): Likewise.
* tree.c (build_call_expr_internal_loc_array): New function.
(maybe_build_call_expr_loc): Likewise.

From-SVN: r230484

Extend mathfn_built_in to handle combined_fn

This patch extends mathfn_built_in to handle combined_fn, but keeps the
old built_in_function interface around since it's a common case.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* builtins.h (mathfn_built_in): Add a variant that takes
a combined_fn.
* builtins.c: Include case-cfn-macros.h.
(CASE_MATHFN): Use CASE_CFN_*.
(CASE_MATHFN_REENT): Use CFN_ codes.
(mathfn_built_in_2, mathfn_built_in_1): Replace built_in_function
argument with a combined_fn.
(mathfn_built_in): Add a variant that takes a combined_fn.
(expand_builtin_int_roundingfn_2): Update callers accordingly.
(fold_builtin_sincos, fold_builtin_classify): Likewise.

From-SVN: r230483

Use combined_fn in tree-vect-patterns.c

Another patch to extend uses of built_in_function to combined_fn,
this time in tree-vect-patterns.c.  The old code didn't handle the
long double pow variants, but I think that's because noone had a target
that would benefit rather than because the code would mishandle them.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree-vect-patterns.c: Include case-cfn-macros.h.
(vect_recog_pow_pattern): Use combined_fn instead of built-in codes.

From-SVN: r230482

Use combined_fn in tree-ssa-math-opts.c

Another patch to extend uses of built_in_function to combined_fn, this time
in tree-ssa-math-opts.c.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree-ssa-math-opts.c: Include case-cfn-macros.h.
(execute_cse_sincos_1): Use combined_fn instead of built-in codes.
(pass_cse_sincos::execute): Likewise.

From-SVN: r230481

Use combined_fn in tree-ssa-reassoc.c

Another patch to extend uses of built_in_function to combined_fn, this time
in tree-ssa-reassoc.c.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree-ssa-reassoc.c: Include case-cfn-macros.h.
(stmt_is_power_of_op): Use combined_fn instead of built-in codes.
(decrement_power, acceptable_pow_call): Likewise.
(attempt_builtin_copysign): Likewise.

From-SVN: r230480

Use combined_fn in tree-vrp.c

Another patch to extend uses of built_in_function to combined_fn, this time
in tree-vrp.c.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree-vrp.c: Include case-cfn-macros.h.
(extract_range_basic): Switch on combined_fn rather than handling
built-in functions and internal functions separately.

From-SVN: r230479

Make more use of combined_fn

This patch generalises fold-const.[hc] routines to use combined_fn
instead of built_in_function.  It also updates gimple-ssa-backprop,c
since the update is simple and it avoids churn on the call to
negate_mathfn_p.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* fold-const.h (negate_mathfn_p): Take a combined_fn rather
than a built_in_function.
(tree_call_nonnegative_warnv_p): Take a combined_fn rather than
a function decl.
(integer_valued_real_call_p): Likewise.
* fold-const.c: Include case-cfn-macros.h
(negate_mathfn_p): Take a combined_fn rather than a built_in_function.
(negate_expr_p): Update accordingly.
(tree_call_nonnegative_warnv_p): Take a combined_fn rather than
a function decl.
(integer_valued_real_call_p): Likewise.
(tree_invalid_nonnegative_warnv_p): Update accordingly.
(integer_valued_real_p): Likewise.
* gimple-fold.c (gimple_call_nonnegative_warnv_p): Update call
to tree_call_nonnegative_warnv_p.
(gimple_call_integer_valued_real_p): Likewise
integer_valued_real_call_p.
* gimple-ssa-backprop.c: Include case-cfn-macros.h.
(backprop::process_builtin_call_use): Extend to combined_fn.
(strip_sign_op_1): Likewise.
(backprop::process_use): Don't check for built-in calls here.
(backprop::execute): Likewise.
(backprop::optimize_builtin_call): Update call to negate_mathfn_p.

From-SVN: r230478

Extend fold_const_call to combined_fn

This patch extends fold_const_call so that it can handle internal
as well as built-in functions.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* fold-const-call.h (fold_const_call): Replace built_in_function
arguments with combined_fn arguments.
* fold-const-call.c: Include case-cfn-macros.h.
(fold_const_call_ss, fold_const_call_cs, fold_const_call_sc)
(fold_const_call_cc, fold_const_call_sss, fold_const_call_ccc)
(fold_const_call_ssss, fold_const_call_1, fold_const_call): Replace
built_in_function arguments with combined_fn arguments.
* builtins.c (fold_builtin_sincos, fold_builtin_1, fold_builtin_2)
(fold_builtin_3): Update calls to fold_const_call.

From-SVN: r230477

Add gencfn-macros.c

This patch automatically generates case macros such as:

        CASE_CFN_SQRT

for each {F,,L} floating-point built-in function and each {,L,LL,IMAX}
integer built-in function.  The macros match the same built-in
functions as CASE_FLT_FN and CASE_INT_FN but in addition include
the associated internal function, if any.

The idea is to make sure that users of combined_fn don't need to know
which built-in functions have internal-function equivalents.  If we add
a new function to internal-fn.def, all combined_fn users should pick it
up automatically.

The generator wants to use "hash_set <nofree_string_hash>",
so the patch follows hash_map in using the types given by the
traits as the key.  This is a no-op for current users of hash_set.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* Makefile.in (HASH_TABLE_H): Add GGC_H.
(MOSTLYCLEANFILES, generated_files): Add case-fn-macros.h.
(s-case-cfn-macros, case-cfn-macros.h, build/gencfn-macros.o)
(build/gencfn-macros$(build_exeext): New rules.
(genprogerr): Add cfn-macros.
* hash-set.h (hash_set): Use the traits value_type as the key.
* gencfn-macros.c: New file.

From-SVN: r230476

Add internal bitcount functions

This patch adds internal function equivalents of all the INT_FN functions.
Unlike the math functions, these functions never set errno and the internal
functions should be exactly equivalent to the built-in ones.  The reason
for defining the internal functions is so that we can extend the
functionality to other modes, in particular vector modes.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* internal-fn.def (DEF_INTERNAL_INT_FN): New macro.
(CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): New functions.
* builtins.c (associated_internal_fn): Handle them.

From-SVN: r230475

Add internal math functions

This patch adds internal functions for simple FLT_FN built-in functions,
in cases where an associated optab already exists.  Unlike some of the
built-in functions, these internal functions never set errno.

LDEXP is an odd-one out in that its second operand is an integer.
All the others operate on uniform types.

The patch also adds a function to query the internal function associated
with a built-in function (if any), and another to test whether a given
gcall could be replaced by a call to an internal function on the current
target (as long as the caller deals with errno appropriately).

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* builtins.h (associated_internal_fn): Declare.
(replacement_internal_fn): Likewise.
* builtins.c: Include internal-fn.h
(associated_internal_fn, replacement_internal_fn): New functions.
* internal-fn.def (DEF_INTERNAL_FLT_FN): New macro.
(ACOS, ASIN, ATAN, COS, EXP, EXP10, EXP2, EXPM1, LOG, LOG10, LOG1P)
(LOG2, LOGB, SIGNIFICAND, SIN, SQRT, TAN, CEIL, FLOOR, NEARBYINT)
(RINT, ROUND, TRUNC, ATAN2, COPYSIGN, FMOD, POW, REMAINDER, SCALB)
(LDEXP): New functions.
* internal-fn.c: Include recog.h.
(unary_direct, binary_direct): New macros.
(expand_direct_optab_fn): New function.
(expand_unary_optab_fn): New macro.
(expand_binary_optab_fn): Likewise.
(direct_unary_optab_supported_p): Likewise.
(direct_binary_optab_supported_p): Likewise.

From-SVN: r230474

Add basic support for direct_optab internal functions

This patch adds a concept of internal functions that map directly to an
optab (here called "direct internal functions").  The function can only
be used if the associated optab can be used.

We currently have four functions like that:

- LOAD_LANES
- STORE_LANES
- MASK_LOAD
- MASK_STORE

so the patch converts them to the new infrastructure.  These four
all need different types of optabs, but future patches will add
regular unary and binary ones.

In general we need one or two modes to decide whether an optab is
supported, depending on whether it's a convert_optab or not.
This in turn means that we need up to two types to decide whether
an internal function is supported.  The patch records which types
are needed for each internal function, using -1 if the return type
should be used and N>=0 if the type of argument N should be used.

(LOAD_LANES and STORE_LANES are unusual in that both optab modes
come from the same array type.)

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* coretypes.h (tree_pair): New type.
* internal-fn.def (DEF_INTERNAL_OPTAB_FN): New macro.  Use it
for MASK_LOAD, LOAD_LANES, MASK_STORE and STORE_LANES.
* internal-fn.h (direct_internal_fn_info): New structure.
(direct_internal_fn_array): Declare.
(direct_internal_fn_p, direct_internal_fn): New functions.
(direct_internal_fn_types, direct_internal_fn_supported_p): Declare.
* internal-fn.c (not_direct, mask_load_direct, load_lanes_direct)
(mask_store_direct, store_lanes_direct): New macros.
(direct_internal_fn_array) New array.
(get_multi_vector_move): Return the optab handler without asserting
that it is available.
(expand_LOAD_LANES): Rename to...
(expand_load_lanes_optab_fn): ...this and add an optab argument.
(expand_STORE_LANES): Rename to...
(expand_store_lanes_optab_fn): ...this and add an optab argument.
(expand_MASK_LOAD): Rename to...
(expand_mask_load_optab_fn): ...this and add an optab argument.
(expand_MASK_STORE): Rename to...
(expand_mask_store_optab_fn): ...this and add an optab argument.
(direct_internal_fn_types, direct_optab_supported_p)
(multi_vector_optab_supported_p, direct_internal_fn_supported_p)
(direct_internal_fn_supported_p): New functions.
(direct_mask_load_optab_supported_p): New macro.
(direct_load_lanes_optab_supported_p): Likewise.
(direct_mask_store_optab_supported_p): Likewise.
(direct_store_lanes_optab_supported_p): Likewise.

From-SVN: r230473

Add a combined_fn enum

I'm working on a patch series that needs to be able to treat built-in
functions and internal functions in a similar way.  This patch adds a
new enum, combined_fn, that combines the two together.  It also adds
utility functions for seeing which combined_fn (if any) is called by
a given CALL_EXPR or gcall.

Tested on x86_64-linux-gnu, aarch64-linux-gnu and arm-linux-gnueabi.

gcc/
* tree-core.h (internal_fn): Move immediately after the definition
of built_in_function.
(combined_fn): New enum.
* tree.h (as_combined_fn, builtin_fn_p, as_builtin_fn)
(internal_fn_p, as_internal_fn): New functions.
(get_call_combined_fn, combined_fn_name): Declare.
* tree.c (get_call_combined_fn): New function.
(combined_fn_name): Likewise.
* gimple.h (gimple_call_combined_fn): Declare.
* gimple.c (gimple_call_combined_fn): New function.

From-SVN: r230472

re PR bootstrap/68346 (Bootstrap failure on i686-linux)

PR bootstrap/68346

* c-common.c (warn_tautological_cmp): Fold before checking for
constants.

From-SVN: r230471

re PR bootstrap/68361 (Bootstrap failure with --enable-checking=release)

PR bootstrap/68361

* cvt.c (cp_convert_and_check): Use warning_sentinel to suppress
-Wparentheses.

From-SVN: r230470

Fix PR number in ChangeLog

From-SVN: r230469

PR c++/68308 - [6 Regression] ICE: tree check: expected integer_cst,

have var_decl in decompose, at tree.h:5105

gcc/
    * cp/init.c (build_new_1): Check for expression constness
    the right way.

testsuite/
    * g++.dg/init/new46.C: New test.

From-SVN: r230468

re PR other/56036 (Wrong indentation in multiple -O options explaination)

2015-11-17  Sandra Loosemore  <sandra@codesourcery.com>

PR target/56036
* doc/invoke.texi (Option Summary): Add -mms-bitfields to x86
option list.
(x86 Options): Add -mms-bitfields and -mno-ms-bitfields.  Move
discussion of the Microsoft structure layout details here from
its former home in extend.texi.
* doc/extend.texi (x86 Variable Attributes): Replace detailed
discussion with pointer to its new location.  Add cross-reference
to corresponding type attributes.
(x86 Type Attributes): Add cross-references to command-line options
and variable attributes.

From-SVN: r230467

priority_queue.c: New file.

libgomp/
* config/nvptx/priority_queue.c: New file.

From-SVN: r230466

re PR fortran/65751 (Bogus &L in error message)

2015-11-17  Dominique d'Humieres <dominiq@lps.ens.fr>

PR fortran/65751
* expr.c (gfc_check_pointer_assign): Fix error message.

* gfortran.dg/unlimited_polymorphic_2.f03: Update test.

From-SVN: r230465

re PR middle-end/68134 (float64x1_t comparison ICE on aarch64-none-elf)

gcc/

PR middle-end/68134
* targhooks.c (default_get_mask_mode): Filter out
scalar modes returned by mode_for_vector.

gcc/testsuite/

PR middle-end/68134
* gcc.dg/pr68134.c: New test.

From-SVN: r230463

[ARM] PR 68143 Properly update memory offsets when expanding setmem

PR target/68143
* config/arm/arm.c (arm_block_set_unaligned_vect): Keep track of
offset from dstbase and use it appropriately in
adjust_automodify_address.
(arm_block_set_aligned_vect): Likewise.

* gcc.c-torture/execute/pr68143_1.c: New test.

From-SVN: r230462

* ChangeLog: Add missing entry.

From-SVN: r230460

t-visium (MULTILIB_OPTIONS): Add muser-mode.

* config/visium/t-visium (MULTILIB_OPTIONS): Add muser-mode.
(MULTILIB_DIRNAMES): Adjust accordingly.

From-SVN: r230459

[Patch AArch64] Add support for Cortex-A35

gcc/

* config/aarch64/aarch64-cores.def (cortex-a35): New.
* config/aarch64/aarch64.c (cortexa35_tunings): New.
* config/aarch64/aarch64-tune.md: Regenerate.
* doc/invoke.texi (-mcpu): Add Cortex-A35

From-SVN: r230458

Fix commit date

From-SVN: r230457

re PR target/68263 (Vector "*mov<mode>_internal" fails to handle misaligned load/store from reload)

PR target/68263
* config/i386/i386.h (BIGGEST_ALIGNMENT): Always define
to 32 for IAMCU.
* config/i386/sse.md (*mov<mode>_internal): Always enable
AVX and SSE unaligned moves for IAMCU.

From-SVN: r230456

pr68264.c: Use dg-add-options ieee.

* gcc.dg/torture/pr68264.c: Use dg-add-options ieee.

From-SVN: r230455

Relax trap assumptions in tree if convert.

2015-11-17  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>

* tree-if-conv.c: Include varasm.h
(ref_DR_map): Define.
(baseref_DR_map): Like wise
(struct ifc_dr): Add new tree predicate field.
(hash_memrefs_baserefs_and_store_DRs_read_written_info): New function.
(memrefs_read_or_written_unconditionally): Remove.
(write_memrefs_written_at_least_once): Remove.
(ifcvt_memrefs_wont_trap): Use hash maps to query
unconditional read/written information.
(if_convertible_loop_p_1):  Initialize hash maps and predicates
before hashing data references and delete hashmaps at the end.

2015-11-17  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>

* gcc.dg/tree-ssa/ifc-8.c: New test.

From-SVN: r230454

constexpr.c (cxx_eval_builtin_function_call): Use cp_fully_fold to fold arguments to __builtin_constant_p.

* constexpr.c (cxx_eval_builtin_function_call): Use cp_fully_fold
to fold arguments to __builtin_constant_p.

From-SVN: r230453

re PR other/56036 (Wrong indentation in multiple -O options explaination)

2015-11-16  Thomas Preud'homme <thomas.preudhomme@arm.com>

PR 56036
* doc/invoke.texi (Optimize Options): Move @end table to the right
place.

From-SVN: r230452

re PR other/65129 (gcc manual index entry of __builtin_assume_aligned)

2015-11-16  Sandra Loosemore  <sandra@codesourcery.com>

PR 65129
* doc/extend.texi (__builtin_assume_aligned): Fix formatting of
return value.

From-SVN: r230451

Daily bump.

From-SVN: r230448

* sv.po: Update.

From-SVN: r230442

vsx.md (VSX_L): Do not include IBM extended double 128-bit types...

2015-11-16  Michael Meissner  <meissner@linux.vnet.ibm.com>

* config/rs6000/vsx.md (VSX_L): Do not include IBM extended double
128-bit types, just types that fit in a single vector.
* config/rs6000/rs6000.md (FMOVE128_GPR): Likewise.

From-SVN: r230440

inline asm and multi-alternative constraints

* doc/md.texi ('#' and '*' constraint modifiers): Do not include these
in the user documentation.
(define_peephole2, define_split): Similarly.

From-SVN: r230439

re PR libstdc++/67440 (pretty-printing of a const set<foo> fails)

PR libstdc++/67440
* python/libstdcxx/v6/printers.py (find_type): Handle "const" in
type name.
* testsuite/libstdc++-prettyprinters/debug.cc: Add test for
const set<int>.
* testsuite/libstdc++-prettyprinters/simple.cc: Ditto.
* testsuite/libstdc++-prettyprinters/simple11.cc: Ditto.

From-SVN: r230437

lto-streamer-out.c (write_global_references): Adjust integer type.

* lto-streamer-out.c (write_global_references): Adjust integer type.
(lto_output_decl_state_refs): Likewise.

From-SVN: r230436

re PR c++/68362 (ICE: tree check: expected integer_cst, have nop_expr in get_val, at tree.h:5157)

PR c++/68362
* c-common.c (check_case_bounds): Fold low and high cases.

* g++.dg/delayedfold/switch-1.C: New test.

From-SVN: r230435

re PR fortran/58027 ("Arithmetic overflow converting ..." in PARAMETER triggers an ICE)

2015-11-16  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/58027
PR fortran/60993
* expr.c (gfc_check_init_expr): Prevent a redundant check when a
__convert_* function was inserted into an array constructor.
(gfc_check_assign_symbol): Check for an initialization expression
when a __convert_* was inserted.

2015-11-16  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/58027
PR fortran/60993
* gfortran.dg/pr58027.f90: New test.

From-SVN: r230433

c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P.

* c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P.
* c-common.c (c_common_get_alias_set): Likewise.
(handle_visibility_attribute): Likewise.

From-SVN: r230432

[Patch ARM] Add support for Cortex-A35

gcc/

* config/arm/arm-cores.def (cortex-a35): New.
* config/arm/arm.c (arm_cortex_a35_tune): New.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm-tune.md: Regenerate.
* config/arm/bpabi.h (BE8_LINK_SPEC): Add cortex-a35.
* config/arm/t-aprofile: Likewise.
* doc/invoke.texi (-mcpu): Likewise.

From-SVN: r230431

Add missing v8a cpus to the t-aprofile file.

gcc/
* config/arm/t-aprofile (MULTILIB_MATCHES): Add lines for exynos-m1
and qdf24xx and xgene1 to match -march=armv8-a.

From-SVN: r230430

simplify-rtx: Simplify sign_extend of lshiftrt to zero_extend (PR68330)

Since r230164, in PR68330 combine ends up with a sign_extend of an
lshiftrt by some constant, and it does not know to morph that into a
zero_extract (the extend will always extend with zeroes).  I think
it is best to let simplify-rtx always replace such a sign_extend by
a zero_extend, after which everything works as expected.

2015-11-15  Segher Boessenkool  <segher@kernel.crashing.org>

PR rtl-optimization/68330
* simplify-rtx.c (simplify_unary_operation_1): Simplify SIGN_EXTEND
of LSHIFTRT by a non-zero constant integer.

From-SVN: r230429

re PR tree-optimization/68306 (ICE: in vectorizable_store, at tree-vect-stmts.c:5651)

2015-11-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68306
* tree-vect-data-refs.c (vect_verify_datarefs_alignment): Fix
bogus copying from verify_data_ref_alignment and use continue
instead of return.

From-SVN: r230428

re PR target/68277 ([SH]: error: insn does not satisfy its constraints when compiling erlang)

gcc/
PR target/68277
* config/sh/sh.md (addsi3_scr): Handle reg overlap of operands[0] and
operands[2].
(*addsi3): Add another insn_and_split variant for reload.

Co-Authored-By: Kaz Kojima <kkojima@gcc.gnu.org>
From-SVN: r230425

re PR middle-end/68117 (error: invalid PHI argument <<< Unknown tree: <invalid tree code> >>>)

2015-11-16  Richard Biener  <rguenther@suse.de>

PR middle-end/68117
* cfgexpand.c (pass_expand::execute): Destroy the edge
redirection var map before setting RTL CFG hooks.

From-SVN: r230424

[i386]Migrate reduction optabs to reduc_<op>_scal

* config/i386/sse.md (reduc_splus_v8df): Rename to...
(reduc_plus_scal_v8df): ...here; reduce to temp and extract scalar.

(reduc_splus_v4df): Rename to...
(reduc_plus_scal_v4df): ...here; reduce to temp and extract scalar.

(reduc_splus_v2df): Rename to...
(reduc_plus_scal_v2df): ...here; reduce to temp and extract scalar.

(reduc_splus_v16sf): Rename to...
(reduc_plus_scal_v16sf): ...here; reduce to temp and extract scalar.

(reduc_splus_v8sf): Rename to...
(reduc_plus_scal_v8sf): ...here; reduce to temp and extract scalar.

(reduc_splus_v4sf): Rename to...
(reduc_plus_scal_v4sf): ...here; reduce to temp and extract scalar.

(reduc_<code>_<mode>, all 3 variants): Rename each to...
(reduc_<code>_scal_<mode>): ...here; reduce to temp and extract scalar.

(reduc_umin_v8hf): Rename to...
(reduc_umin_scal_v8hf): ...here; reduce to temp and extract scalar.

From-SVN: r230423

Add __attribute__((__simd__)) to GCC.

gcc/
* omp-low.c (pass_omp_simd_clone::gate): If target allows - call
without additional conditions.
* doc/extend.texi (@item simd): New.
gcc/c-family/
* c-common.c (handle_simd_attribute): New.
(struct attribute_spec): Add entry for "simd".
(handle_simd_attribute): New.
gcc/c/
* c-parser.c (c_finish_omp_declare_simd): Look for
"simd" attribute as well. Update error message.
gcc/cp/
* parser.c (cp_parser_late_parsing_cilk_simd_fn_info): Look for
"simd" attribute as well. Update error message.
gcc/testsuite/
* c-c++-common/attr-simd.c: New test.
* c-c++-common/attr-simd-2.c: New test.
* c-c++-common/attr-simd-3.c: New test.

From-SVN: r230422

[AArch64] Fix gcc.target/aarch64/vclz.c

* gcc.target/aarch64/vclz.c: Correctly place INHIB_OPTIMIZATION.

From-SVN: r230421

Remove first_pass_instance

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* passes.c (first_pass_instance): Remove variable.
(execute_todo): Remove setting of first_pass_instance.
* tree-pass.h (first_pass_instance): Remove declaration.

From-SVN: r230420

Remove first_pass_instance from pass_ccp

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* passes.def: Add arg to pass_ccp pass instantiation.
* tree-ssa-ccp.c (ccp_finalize): Add param nonzero_p.  Use nonzero_p
instead of first_pass_instance.
(do_ssa_ccp): Add and handle param nonzero_p.
(pass_ccp::pass_ccp): Initialize nonzero_p.
(pass_ccp::set_pass_param): New member function.  Set nonzero_p.
(pass_ccp::execute): Call do_ssa_ccp with extra arg.
(pass_ccp::nonzero_p): New private member.

From-SVN: r230419

Remove first_pass_instance from pass_object_sizes

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* passes.def: Add arg to pass_object_sizes pass instantiation.
* tree-object-size.c (pass_object_sizes::pass_object_sizes): Initialize
insert_min_max_p.
(pass_object_sizes::set_pass_param): New member function.  Set
insert_min_max_p.
(pass_object_sizes::insert_min_max_p): New private member.
(pass_object_sizes::execute): Use insert_min_max_p instead of
first_pass_instance.

From-SVN: r230418

Remove first_pass_instance from pass_dominator

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* passes.def: Add arg to pass_dominator pass instantiation.
* tree-pass.h (first_pass_instance): Remove pass_dominator-related bit
of comment.
* tree-ssa-dom.c (pass_dominator::pass_dominator): Initialize
may_peel_loop_headers_p.
(pass_dominator::set_pass_param): New member function.  Set
may_peel_loop_headers_p.
(pass_dominator::may_peel_loop_headers_p): New private member.
(pass_dominator::execute): Use may_peel_loop_headers_p instead of
first_pass_instance.

From-SVN: r230417

Remove first_pass_instance from pass_reassoc

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* passes.def: Add arg to pass_reassoc pass instantiation.
* tree-ssa-reassoc.c (reassoc_insert_powi_p): New static variable.
(acceptable_pow_call, reassociate_bb): Use reassoc_insert_powi_p instead
of first_pass_instance.
(execute_reassoc): Add and handle insert_powi_p parameter.
(pass_reassoc::insert_powi_p): New private member.
(pass_reassoc::pass_reassoc): Initialize insert_powi_p.
(pass_reassoc::set_pass_param): New member function.  Set insert_powi_p.
(pass_reassoc::execute): Call execute_reassoc with extra arg.

From-SVN: r230416

Remove first_pass_instance from pass_vrp

2015-11-16  Tom de Vries  <tom@codesourcery.com>

* gdbhooks.py (class PassNames): Handle extra arg NEXT_PASS argument.
* gen-pass-instances.awk (handle_line): Same.
* pass_manager.h (class pass_manager): Define and undefine
NEXT_PASS_WITH_ARG.
* passes.c (opt_pass::set_pass_param): New function.
(pass_manager::pass_manager): Define and undefine NEXT_PASS_WITH_ARG.
* passes.def: Add extra arg to NEXT_PASS (pass_vrp).
* tree-pass.h (gimple_opt::set_pass_param): Declare.
* tree-vrp.c (vrp_finalize, execute_vrp): Add and handle
warn_array_bounds_p parameter.
(pass_vrp::pass_vrp): Initialize warn_array_bounds_p.
(pass_vrp::set_pass_param): New function.
(pass_vrp::execute): Add warn_array_bounds_p arg to execute_vrp call.
(pass_vrp::warn_array_bounds_p): New private member.

From-SVN: r230415

sparc.c (sparc_emit_probe_stack_range): Adjust.

* config/sparc/sparc.c (sparc_emit_probe_stack_range): Adjust.
(output_probe_stack_range): Rotate the loop and simplify.

From-SVN: r230414

rs6000.c (rs6000_emit_probe_stack_rang): Adjust.

* config/rs6000/rs6000.c (rs6000_emit_probe_stack_rang): Adjust.
(output_probe_stack_range): Rotate the loop and simplify.

From-SVN: r230413

i386.c (ix86_adjust_stack_and_probe): Adjust and use an lea instruction when possible.

* config/i386/i386.c (ix86_adjust_stack_and_probe): Adjust and use
an lea instruction when possible.
(output_adjust_stack_and_probe): Rotate the loop and simplify.
(ix86_emit_probe_stack_range): Adjust.
(output_probe_stack_range): Rotate the loop and simplify.

From-SVN: r230412

arm_neon.h: Remove #ifndef check on __ARM_NEON.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

* config/arm/arm_neon.h: Remove #ifndef check on __ARM_NEON.
Replace #ifdef __ARM_FEATURE_CRYPTO, __ARM_FEATURE_FMA, __ARM_FP
with appropriate pragma GCC target.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

* lib/target-supports.exp (check_effective_target_arm_neon_ok_nocache):
 Check __ARM_NEON__ instead of "arm_neon.h.
* gcc.target/arm/attr-neon3.c: New test.
* gcc.target/arm/attr-neon-fp16.c: Likewise

From-SVN: r230411

re PR target/65837 ([arm-linux-gnueabihf] lto1 target specific builtin not available)

2015-11-16  Christian Bruel  <christian.bruel@st.com>

PR target/65837
* config/arm/arm-c.c (arm_cpu_builtins): Conditionally set and reset
__ARM_FEATURE_FMA and __ARM_NEON_FP, __ARM_FP.

From-SVN: r230410

[AArch64] Cortex-A57 Choose some new branch costs.

gcc/

* config/aarch64/aarch64.c (cortexa57_branch_costs): New.
(cortexa57_tunings): Use it.

From-SVN: r230409

re PR target/65837 ([arm-linux-gnueabihf] lto1 target specific builtin not available)

2015-11-16  Christian Bruel  <christian.bruel@st.com>

PR target/65837
* config/arm/arm-c.c (arm_cpu_builtins): Set or reset
__ARM_FEATURE_CRYPTO, __VFP_FP__, __ARM_NEON__
(arm_pragma_target_parse): Change check for arm_cpu_builtins.
undefine __ARM_FP.
* config/arm/arm.c (arm_can_inline_p): Check FPUs.
(arm_valid_target_attribute_rec): Handle -mfpu attribute target.
* doc/invoke.texi (-mfpu=): Mention attribute and pragma.
* doc/extend.texi (-mfpu=): Describe attribute.

2015-11-16  Christian Bruel  <christian.bruel@st.com>

PR target/65837
gcc.target/arm/lto/pr65837_0.c
gcc.target/arm/attr-neon2.c
gcc.target/arm/attr-neon.c
gcc.target/arm/attr-neon-builtin-fail.c
gcc.target/arm/attr-crypto.c

From-SVN: r230408